import {
  constantRoutes
} from '@/router'
import {
  getRouters
} from '@/api/menu'
import Layout from '@/layout/index'
import ParentView from '@/components/ParentView'
import InnerLink from '@/layout/components/InnerLink'
import metadataMenu from '@/utils/menu/metadataMenu.js'
import dataSourceMenu from '@/utils/menu/dataSourceMenu.js'
import dataStandardMenu from '@/utils/menu/dataStandardMenu.js'
import loggingMenu from '@/utils/menu/loggingMenu.js'
import systemConfiguration  from '@/utils/menu/systemConfiguration.js'
const permission = {
  state: {
    routes: [],
    addRoutes: [],
    defaultRoutes: [],
    topbarRouters: [],
    sidebarRouters: [],
    metadataMenuRouters: [],
    dataSourceMenuRouters: [],
    dataStandardMenuRouters: [],
    loggingMenuRouters:[],
    systemConfigurationRouters:[],
    nabarKey: localStorage.getItem("nabarKey")
  },
  mutations: {
    SET_ROUTES: (state, routes) => {
      state.addRoutes = routes
      state.routes = constantRoutes.concat(routes)
    },
    SET_DEFAULT_ROUTES: (state, routes) => {
      state.defaultRoutes = constantRoutes.concat(routes)
    },
    SET_DEFAULT_ROUTES1: (state, routes) => {
        state.metadataMenuRouters =  constantRoutes.concat(routes) 
    },
    SET_DEFAULT_ROUTES2: (state, routes) => {
      state.dataSourceMenuRouters =  constantRoutes.concat(routes)
  },
  SET_DEFAULT_ROUTES3: (state, routes) => {
    state.dataStandardMenuRouters =  constantRoutes.concat(routes)
},
SET_DEFAULT_ROUTES4: (state, routes) => {
  state.loggingMenuRouters =  constantRoutes.concat(routes)
},
SET_DEFAULT_ROUTES5: (state, routes) => {
  state.systemConfigurationRouters =  constantRoutes.concat(routes)
},
  SET_DEFAULT_NABARKEY: (state, routes) => {
    state.nabarKey = routes
},
    SET_TOPBAR_ROUTES: (state, routes) => {
      // 顶部导航菜单默认添加统计报表栏指向首页
      const index = [{
        path: 'index',
        meta: {
          title: '首页',
          icon: 'firstpage'
        }
      }]
      state.topbarRouters = routes.concat(index);
    },
    SET_SIDEBAR_ROUTERS: (state, routes) => {
      state.sidebarRouters = routes
    },
  },
  actions: {
    // 生成路由
    GenerateRoutes({
      commit
    }) {
      // return new Promise(res => {
      // 向后端请求路由数据
      // getRouters().then(resolve => {
      // const sdata = JSON.parse(JSON.stringify(res.data))
      // const rdata = JSON.parse(JSON.stringify(res.data))
      // const sidebarRoutes = filterAsyncRouter(sdata)
      // const rewriteRoutes = filterAsyncRouter(rdata, false, true)
      // rewriteRoutes.push({
      // path: '*',
      // redirect: '/404',
      // hidden: true
      // })
      // commit('SET_ROUTES', rewriteRoutes)
      // commit('SET_SIDEBAR_ROUTERS', constantRoutes.concat(sidebarRoutes))
      // commit('SET_DEFAULT_ROUTES', sidebarRoutes)
      // commit('SET_TOPBAR_ROUTES', sidebarRoutes)
      // resolve(rewriteRoutes)
      // })
      // })
      return new Promise(resolve => {
        let res = metadataMenu;
        let res1 = metadataMenu;
        let res2 = dataSourceMenu;
        let res3=dataStandardMenu;
        let res4=loggingMenu;
        let res5=systemConfiguration;

        // getRouters().then(res => {
        const sdata = JSON.parse(JSON.stringify(res.data))
        const sdata1 = JSON.parse(JSON.stringify(res1.data))
        const sdata2 = JSON.parse(JSON.stringify(res2.data))
        const sdata3 = JSON.parse(JSON.stringify(res3.data))
        const sdata4 = JSON.parse(JSON.stringify(res4.data))
        const sdata5 = JSON.parse(JSON.stringify(res5.data))
        
        const rdata = JSON.parse(JSON.stringify(res.data))

        const sidebarRoutes = filterAsyncRouter(sdata)
        const sidebarRoutes1 = filterAsyncRouter(sdata1)
        const sidebarRoutes2 = filterAsyncRouter(sdata2)
        const sidebarRoutes3 = filterAsyncRouter(sdata3)
        const sidebarRoutes4 = filterAsyncRouter(sdata4)
        const sidebarRoutes5 = filterAsyncRouter(sdata5)

        const rewriteRoutes = filterAsyncRouter(rdata, false, true)
        
        const routes=[
          ...sidebarRoutes1,
          ...sidebarRoutes2,
          ...sidebarRoutes3,
          ...sidebarRoutes4,
          ...sidebarRoutes5,

        ]
     

       
        commit('SET_ROUTES', rewriteRoutes)
        commit('SET_SIDEBAR_ROUTERS', constantRoutes.concat(sidebarRoutes))
        commit('SET_DEFAULT_ROUTES', sidebarRoutes, )   
        commit('SET_DEFAULT_ROUTES1', sidebarRoutes1, )
        commit('SET_DEFAULT_ROUTES2', sidebarRoutes2, )  
        commit('SET_DEFAULT_ROUTES3', sidebarRoutes3, )       
        commit('SET_DEFAULT_ROUTES4', sidebarRoutes4, )       
        commit('SET_DEFAULT_ROUTES5', sidebarRoutes5, )       

        commit('SET_TOPBAR_ROUTES', sidebarRoutes)
        // rewriteRoutes.push({
        //   path: '*',
        //   redirect: '/404',
        //   hidden: true
        // })
        resolve(routes)
        // })
      })

    }
  }
}

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
  return asyncRouterMap.filter(route => {
    if(route.path!="");
    if (type && route.children) {
      route.children = filterChildren(route.children)
    }
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === 'Layout') {
        route.component = Layout
      } else if (route.component === 'ParentView') {
        route.component = ParentView
      } else if (route.component === 'InnerLink') {
        route.component = InnerLink
      } else {
        route.component = loadView(route.component)
      }
    }
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type)
    } else {
      delete route['children']
      delete route['redirect']
    }
    return true
  })
}

function filterChildren(childrenMap, lastRouter = false) {
  var children = []
  childrenMap.forEach((el, index) => {
    if (el.children && el.children.length) {
      if (el.component === 'ParentView' && !lastRouter) {
        el.children.forEach(c => {
          c.path = el.path + '/' + c.path
          if (c.children && c.children.length) {
            children = children.concat(filterChildren(c.children, c))
            return
          }
          children.push(c)
        })
        return
      }
    }
    if (lastRouter) {
      el.path = lastRouter.path + '/' + el.path
    }
    children = children.concat(el)
  })
  return children
}

export const loadView = (view) => {
  if (process.env.NODE_ENV === 'development') {
    return (resolve) => require([`@/views/${view}`], resolve)
  } else {
    // 使用 import 实现生产环境的路由懒加载
    return () => import(`@/views/${view}`)
  }
}

export default permission
